The coupling 10 has a disc spring 18 between a plate 12 with an aperture 22, a second member 14 with a hole 34, a connecter 20 passes through the holes to maintain alignment of the plates when they are moved relative to each other. Preferably the disk spring is a stack 16 of five Belleville washers arranged in alternating series, which is partially housed in a cavity (fig.2,24) of the plate, and sits on the second member. The second member may have a slot 36 for attaching a displacement measurement device such as a linear potentiometer. The connector may be a bar with a base plate 44 and a removable lock member 50 to prevent axial decoupling. The coupling may form part of a load cell in a motorised patient hoist (fig.4,100), located between an adaptor plate (fig.4,166) of a rail bogie (fig.4,164) and the carriage body (fig.4,158); or a load cell may be provided for each leg of a bed frame. A method of determining a load by measuring displacement is also claimed.


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    Title :

    Load-determining patient ceiling-hoist carriage, bed apparatus, patient support coupling and load cell


    Contributors:

    Publication date :

    2017-10-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B66C Krane , CRANES / G01G Wägen , WEIGHING



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